package allod.som.functions.step

import Math._

/**
 * Created by IntelliJ IDEA.
 * User: allod
 * Date: 7 січ 2010
 * Time: 0:00:10
 */

case class ExponentialStepFunction(eta0: Double, tau2: Double) extends Step {
  def apply(iteration: Int) = eta0 * exp(-iteration / tau2)
}